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Stainless Steel Swing Check Valve | DN25–400 PN16–64
Industrial stainless steel swing check valve for water, steam, oil, nitric acid, and acetic acid applications. Available in DN25–400 sizes with PN1.6–6.4MPa pressure ratings. Suitable for petrochemical, power plant, and industrial pipeline systems.
Technical Specifications
| Model | VD-CV-H44H |
|---|---|
| Nominal Size | DN25–400 |
| Pressure Range | PN1.6–6.4 MPa |
| Working Temperature | -29°C to +550°C |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Applicable Media | Water, Steam, Oil, Nitric Acid, Acetic Acid |
| Design Standard | GB 12236 |
| Face-to-Face Standard | GB 12221 |
| Flange Connection Standard | JB/T 79-1994 |
| Testing & Inspection Standard | JB/T 9092-1999 |
Discription
Product Overview
The Stainless Steel Swing Check Valve adopts an internal swing-type disc structure, with all opening and closing components installed inside the valve body. The valve design effectively prevents external leakage by eliminating potential leakage points outside the body, except for the sealing gasket and sealing ring at the middle flange connection.
The disc and hinge arm are connected through a spherical joint structure, allowing the disc to maintain a certain degree of free movement within a 360-degree range and providing proper micro-position compensation for improved sealing reliability.
Featuring reliable sealing performance, corrosion resistance, stable operation, and long service life, the valve is widely used in chemical processing, metallurgy, pharmaceutical, petrochemical, and industrial pipeline systems.
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